manual debugging in python

python debugging


import  pdb

for i in range(0,10):

            x=i*3

           print(i,x)

           pdb.set_trace()

Note:

n  means next

c  means continue

x  print current x value

i  print current i value


output:

0 0

> d:\siva krishna\python_practice\python tricks\debuggin.py(3)<module>()

-> for i in range(0,10):

(Pdb) i

0

(Pdb) x

0
(Pdb) c

1 3

> d:\siva krishna\python_practice\python tricks\debuggin.py(3)<module>()

-> for i in range(0,10):

(Pdb) i

1

(Pdb) x

3

(Pdb) c

2 6

> d:\siva krishna\python_practice\python tricks\debuggin.py(3)<module>()

-> for i in range(0,10):

(Pdb) i

2

(Pdb) x

6

(Pdb) n

> d:\siva krishna\python_practice\python tricks\debuggin.py(4)<module>()

-> x=i*3

(Pdb) c

3 9

> d:\siva krishna\python_practice\python tricks\debuggin.py(3)<module>()

-> for i in range(0,10):

(Pdb) i

3

(Pdb) x

9


(Pdb)